An interaction-flow fRG framework regulates both propagators and bare interactions via single-boson exchange, allowing temperature flows for retarded-interaction models and tested on Anderson impurity and electron-phonon systems.
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DMFT study of extended Hubbard model on triangular lattice reveals rich charge-order phase diagram with distinct pinball-liquid phases, tunable transition orders, and unexpected metallic region on electron-doped side.
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Functional renormalization with interaction flows: A single-boson exchange perspective and application to electron-phonon systems
An interaction-flow fRG framework regulates both propagators and bare interactions via single-boson exchange, allowing temperature flows for retarded-interaction models and tested on Anderson impurity and electron-phonon systems.
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Charge order on a triangular lattice with Mott physics and arbitrary charge density
DMFT study of extended Hubbard model on triangular lattice reveals rich charge-order phase diagram with distinct pinball-liquid phases, tunable transition orders, and unexpected metallic region on electron-doped side.